Finding the Fourth Proportional to 117,706.40, 162,438.03 and 63,995.12
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Solution
The fourth proportional to 117,706.40, 162,438.03 and 63,995.12 is: 88,315.00
Step by Step Solution
- Step 1: Write the proportion equation
117,706.40 : 162,438.03 = 63,995.12 : x - Step 2: Convert to fraction form
117,706.40/162,438.03 = 63,995.12/x - Step 3: Cross multiply
117,706.40x = 162,438.03 × 63,995.12 - Step 4: Simplify right side
117,706.40x = 10,395,240,410.22 - Step 5: Solve for x
x = 10,395,240,410.22/117,706.40 - Step 6: Final answer
x = 88,315.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.